ii. The _second_ art in which the romantic type realizes itself is contrasted with painting, and is music. Its medium, though still sensuous, yet develops into still more thorough subjectivity and particularization. Music, too, treats the sensuous as ideal, and does so by negating,[175] and idealizing into the individual isolation of a single point, the indifferent externality[176] of space, whose complete semblance is accepted and imitated by painting. The single point, _qua_ such a negativity (excluding space) is in itself a concrete and active process of positive negation[177] within the attributes of matter, in the shape of a motion and tremor of the material body within itself and in its relation to itself. Such an inchoate ideality of matter,[178] which appears no longer as under the form of space, but as temporal ideality,[179] is sound, the sensuous set down as negated, with its abstract visibility converted into audibility, inasmuch as sound, so to speak, liberates the ideal content from its immersion in matter. This earliest inwardness of matter and inspiration of soul into it furnishes the medium for the mental inwardness--itself as yet indefinite,--and for the soul[180] into which mind concentrates itself; and finds utterance in its tones for the heart with its whole gamut of feelings and passions. Thus music forms the centre of the romantic arts, just as sculpture represents the central point between architecture and the arts of romantic subjectivity. Thus, too, it forms the point of transition between abstract spatial sensuousness, such as painting employs, and the abstract spirituality of poetry. Music has within itself, like architecture, a relation of quantity conformable to the understanding, as the antithesis to emotion and inwardness; and has also as its basis a solid conformity to law on the part of the tones, of their conjunction, and of their succession.